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an ancient gold coin is 22 cm in diameter and 30 mm thick it is a cylinder for which volume piradius2thickness if the
a 26-meter-tall statue of buddha in tibet is covered with 279 kg of gold if the gold was applied to a thickness of
automobile batteries are filled with an aqueous solution of sulfuric acid what is the mass of the acid in grams in 500
the smallest repeating unit of a crystal of common salt is a cube called a unit cell with an edge length of 0563
molecular distances are usually given in nanometers 1 nm 1 times 10-9 m or in picometers 1 pm 1 times 10-12 m however
1 one food product has an energy content of 170 kcal per serving and another has 280 kj per serving which food provides
1 a typical laboratory beaker has a volume of 250 ml what is its volume in cubic centimeters in liters in cubic meters
1 which occupies a larger volume 600 g of water with a density of 0995 gcm3 or 600 g of lead with a density of 1135
1 ethylene glycol c2h6o2 is an ingredient of automobile antifreeze its density is 111 gcm3 at 20 degc if you need 500
1 a marathon race covers a distance of 42195 km what is this distance in meters in miles2 a standard us postage stamp
1 many laboratories use 25 degc as a standard temperature what is this temperature in kelvins2 neon a gaseous element
make a drawing based on the kinetic-molecular theory and the ideas about atoms and molecules presented in this chapter
the following photo shows copper balls immersed in water floating on top of mercury what are the liquids and solids in
categorize each of the following as an element a compound or a mixturea sterling silverb carbonated mineral waterc
carbon tetrachloride ccl4 a common liquid compound has a density of 158 gcm3 if you place a piece of a plastic soda
the gemstone called aquamarine is composed of aluminum silicon and oxygenaquamarine is the bluish crystal it is
a piece of turquoise is a blue-green solid it has a density of 265 gcm3 and a mass of 25 ga which of these observations
the flashlight in the photo does not use batteries instead you move a lever which turns a geared mechanism and finally
1 what is the difference between the terms compound and molecule use these words in a sentence2 which part of the
in each case decide if the change is a chemical or physical changea a cup of household bleach changes the color of your
propose a structure of each of the following compounds with the formula c5h9noa an acyclic primary amideb a carbocyclic
draw the structural formula of the major organic product from each of the following reactions if no reaction write
draw the structural formula of each of the followingaan isomer of benzene c6h6 which is not
what is the chemical reaction to a gum drop when caught on
the atomic radius of main-group elements generally increases down a group